Agent Name

Methyl phosphonic dichloride

CAS Number

676-97-1

Formula

C-H3-Cl2-O-P

Major Category

Toxic Gases & Vapors

Synonyms

Methanephosphonyl chloride; Methylphosphonic dichloride; Phosphonic dichloride, methyl-; [ChemIDplus]

Category

Acid Halides

Description

A solid below 95-99 deg F; [HSDB] Colorless liquid; Melting point = 90-93 deg F; [MSDSonline]

Sources/Uses

Used for "the preparation of oligonucleotides"; [HSDB]

Comments

Reacts with water to generate hydrogen chloride; Contact with substance causes severe burns; [CAMEO] Causes burns; Very toxic by inhalation--may cause chemical pneumonitis; [MSDSonline]

Exposure Assessment
TIH

Yes

Explanatory Notes

Melting point = 95-99 deg F; Boiling point = 325 deg F; [HSDB]

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: